Vulnerability Report

CVE-2026-4887

Title: Heap Buffer Over-read in GIMP PCX File Loader

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2026-4887.

CWE Category CWE-193

Published Date Mar 26, 2026

Modified Date May 26, 2026

Exploit Status Not Found

Score 6.1 CVSS v3.1

Exploit Probability (EPSS)

0.05%

Vulnerability Summary

CVE-2026-4887: A flaw was found in GIMP. This issue is a heap buffer over-read in GIMP PCX file loader due to an off-by-one error. A remote attacker could exploit this by convincing a user to open a specially crafted PCX image. Successful exploitation could lead to out-of-bounds memory disclosure and a possible application crash, resulting in a Denial of Service (DoS).

Impacted Vendors

gimp 1

gnu 1

Reference Links

https://access.redhat.com/security/cve/CVE-2026-4887 https://bugzilla.redhat.com/show_bug.cgi?id=2451669 https://gitlab.gnome.org/GNOME/gimp/-/issues/15960

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

6.1

Attack Vector

LOCAL

Complexity

LOW

Privileges

N/A

Interaction

REQUIRED

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H